Java Example for Method Overloading

          import java.io.*; 
           class ScienceStudent 
               { 
                     int r,p,c; 
                     String n,s; 
                     BufferedReader bf=new BufferedReader(new InputStreamReader(System.in)); 
                     ScienceStudent() 
                     throws IOException 
                       { 
                          System.out.println("Enter Roll Number : "); 
                          s=bf.readLine(); 
                          r=Integer.parseInt(s); 
                          System.out.println("Enter Name of Student : "); 
                           n=bf.readLine(); 
                       } 
                          void getSubject() 
                          throws IOException 
                         { 
                             System.out.println("Enter Physics Marks :"); 
                             s=bf.readLine(); 
                             p=Integer.parseInt(s); 
                             System.out.println("Enter Chemistry Marks :"); 
                             s=bf.readLine(); 
                             c=Integer.parseInt(s); 
                         } 
                             void StudentDetail() 
                               { 
                                   System.out.println("Roll :"+ r); 
                                   System.out.println("Name : "+n); 
                               } 
                                   void StudentSubject()   
                                     { 
                                         System.out.println("Physics : "+p); 
                                         System.out.println("Chemistry : "+c); 
                                     } 
               } 
                    class arts extends ScienceStudent 
                        { 
                            int his,geo; 
                            arts() throws IOException 
                               { 
                                   super(); 
                               } 
                                   void getSubject() 
                                   throws IOException 
                                       { 
                                            BufferedReader bf=new BufferedReader(new InputStreamReader(System.in)); 
                                            String s; 
                                            System.out.println("Enter History Marks "); 
                                            s=bf.readLine(); 
                                            his=Integer.parseInt(s); 
                                            System.out.println("Enter Geography Marks "); 
                                            s=bf.readLine(); 
                                            geo=Integer.parseInt(s); 
                                            geo=Integer.parseInt(s); 
                                            geo=Integer.parseInt(s); 
                                       } 
                                             void StudentSubject() 
                                               { 
                                               System.out.println("History :"+ his); 
                                                   System.out.println("Geograhy  :"+geo); 
                                           }; 
                        } 
                              class ExampleOverloading 
                                   { 
                                       public static void main(String args[]) 
                                          { 
                                              System.out.println("Enter Details of Science Student :"); 
                                               try 
                                                 { 
                                                     ScienceStudent sc=new ScienceStudent(); 
                                                     sc.getSubject(); 
                                                     System.out.println("Enter Details of Arts Student :"); 
                                                     arts ar=new arts(); 
                                                     ar.getSubject(); 
                                                     System.out.println("The Details of Science Student is :"); 
                                                     sc.StudentDetail(); 
                                                     sc.StudentSubject(); 
                                                     System.out.println("The Details of Arts Student is :"); 
                                                     ar.StudentDetail(); 
                                                     ar.StudentSubject(); 
                                                 } 
                                                     catch(IOException e){} 
                                          } 
                                   };